weight 0.7 is best.
I created this LoRA as requested.

Please read the description.

outfit1
aaishtar, long hair, two side up, hair ribbon, tiara, parted bangs, hoop earrings, jewelry, bare shoulders, neck ring, bikini, single sleeve, detached sleeves, single thighhigh, black thighhighs

outfit2
aaishtar, long hair, two side up, hair ribbon, tiara, parted bangs, hoop earrings, collarbone, white swimsuit, white one-piece swimsuit, fur trim, pink jacket, long sleeves, single thighhigh, pink thighhighs

I uploaded a sample image of the outfit as a post.

The asymmetry of Ishtar's base outfit is not perfect.